Hydraulic System
Replacing the Hydraulic Filter
Change the hydraulic filter:
After every 500 operating hours
Position the machine on a level surface, lower the
loader arms and turn the ignition key to “OFF” to
stop the engine. Remove the key.
IMPORTANT: Do not substitute with automotive oil
filter or severe hydraulic damage may result.
1. Hydraulic filter
2. Gasket
3. Adapter
Remove the old filter and wipe the filter adapter gasket
surface clean.
Apply a thin coat of hydraulic fluid to the rubber gasket on the replacement filter.
Install replacement hydraulic filter. Tighten clockwise until the rubber gasket contacts
the filter adapter, then tighten the filter an additional ½ turn.
Clean up any spilt fluid.
Start engine and let run for about two minutes to purge air from the system. Stop the
engine and check for leaks.
Check fluid level in hydraulic tank and add oil to raise level to 75mm below the top of
the tank. DO NOT OVER FILL.
Changing the Hydraulic Fluid
Change the hydraulic fluid:
After every 500 operating hours
Position the machine on a level surface, lower the loader arms and turn the ignition
key to “OFF” to stop the engine. Remove the key.
IMPORTANT: Do not substitute with automotive oil filter or severe hydraulic
damage may result.
Place large drain pan under the machine that can hold at least 70 litres.
Remove the drain plug from the bottom of the hydraulic tank and allow the fluid to
completely drain out.
Remove the tank top and wipe out the inside of the tank. Note if any foreign objects
are there. If anything unusual is found, consult your Dingo service centre or a
hydraulic expert.
Install the drain plug.
Fill the hydraulic tank with approximately 57litres of H68 hydraulic oil.
Note: Dispose of used oil in accordance with local authority regulations.
Only use H68 oil, use of other oil grades can cause loss of hydraulic power, or
damage to machine.
Check hydraulic lines
After every 100 operating hours, check hydraulic lines and hoses for leaks, loose
fittings, kinked lines, loose mounting supports, wear, weather and chemical
deterioration. Replace all moving hydraulic hoses every 1500 hours or two years,
Dingo 950 Operation & Maintenance Manual
26
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